Focal-Plane and Multiple Chip VLSI Approaches to CNNs |
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Authors: | M Anguita F J Pelayo E Ros D Palomar A Prieto |
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Affiliation: | (1) Departamento de Electronica y Tecnología de Computadores, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain |
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Abstract: | In this paper, three alternative VLSI analog implementations of CNNs are described, which have been devised to perform image processing and vision tasks: a programmable low-power CNN with embedded photo-sensors, a compact fixed-template CNN based on unipolar current-mode signals, and basic CMOS circuits to implement an extended CNN model using spikes. The first two VLSI approaches are intended for focal-plane image processing applications. The third one allows, since its dynamics is defined by process-independent local ratios and its input/outputs can be efficiently multiplexed in time, the construction of very large multiple chip CNNs for more complex vision tasks. |
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